When to Plant Hosta in Urbandale, IA

Before planting it is a good idea to find your USDA Zone info to estimate your garden schedule. The zone info helps tell us things like average date of last frost and lowest expected temperature for your area.

You can figure out when you can plant hosta in Urbandale by checking out the USDA zone info.


Planting Calendar for Hosta

Frost tolerance for hosta: Tolerant of some frost.
When to plant: Up to 5 weeks before last frost.

Since hosta are moderately cold tolerant you can plant them a bit earlier in the year than more sensitive plants.

JanFebMarAprMayJunJulAugSepOctNovDec
Legend 
A good time to plant hosta
Possibly ok, but a risky time to plant hosta
Probably not a good time to plant hosta

The earliest that you can plant hosta in Urbandale is February. However, you really should wait until March if you don't want to take any chances.

The last month that you can plant hosta and expect a good harvest is probably September. If you wait any later than that and your hosta may not have a chance to grow to maturity. You can get started a few weeks earlier by starting your hosta indoors.

Last Frost Date

On average all chance of frost has passed is on April 15 in Urbandale. In the coldest months of winter you can expect an average low temperature of -20°F.

Just be sure to remember that USDA zone info for Urbandale may not be accurate from year to year and the actual date of last frost is different every year. Since half of the time in Urbandale there is a last frost after April 15 be ready to protect your hosta if you have one of those late frosts.

USDA Zone Info for Urbandale

Here is the info for USDA Zone 5a.

Average Date of Last Frost (spring)April 15
Average Date of First Frost (fall)October 15
Lowest Expected Low-20°F
Highest Expected Low-15°F

This means that on a really cold year, the coldest it will get is -20°F. On most years you should be prepared to experience lows near -15°F.

Plants to Grow in Urbandale

You may be interested in your other planting guides for Urbandale.